#include<bits/stdc++.h>
#define f first
#define pr pair
#define s second
#define ll long long
#define mp make_pair
#define pll pr<ll,ll>
#define pii pr<int,int>
#define piii pr<int,pii>
using namespace std;
int a[100005];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    ios_base::sync_with_stdio(0);
    int n,x;
    cin>>n;
    int mx=0;
    while(n--)
    {
        cin>>x;
        a[x]++;
        mx=max(mx,a[x]);
    }
    cout<<mx<<endl;
    return 0;
}
